diff options
Diffstat (limited to 'db/migrate/20220914010233_change_members_namespace_foreign_key_on_delete_constraint.rb')
-rw-r--r-- | db/migrate/20220914010233_change_members_namespace_foreign_key_on_delete_constraint.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/db/migrate/20220914010233_change_members_namespace_foreign_key_on_delete_constraint.rb b/db/migrate/20220914010233_change_members_namespace_foreign_key_on_delete_constraint.rb new file mode 100644 index 00000000000..2ee98d59c3e --- /dev/null +++ b/db/migrate/20220914010233_change_members_namespace_foreign_key_on_delete_constraint.rb @@ -0,0 +1,30 @@ +# frozen_string_literal: true + +class ChangeMembersNamespaceForeignKeyOnDeleteConstraint < Gitlab::Database::Migration[2.0] + disable_ddl_transaction! + + TARGET_COLUMN = :member_namespace_id + + def up + # add the new FK before removing the old one + add_concurrent_foreign_key( + :members, + :namespaces, + column: TARGET_COLUMN, + name: fk_name("#{TARGET_COLUMN}_new"), + on_delete: :cascade, + validate: false + ) + end + + def down + with_lock_retries do + remove_foreign_key_if_exists(:members, column: TARGET_COLUMN, name: fk_name("#{TARGET_COLUMN}_new")) + end + end + + def fk_name(column_name) + # generate a FK name + concurrent_foreign_key_name(:members, column_name) + end +end |